Holder motor self-heating device

By combining thermally conductive silicone pads and an MCU control board, the motor current is adjusted in real time, solving the problem of gimbal stalling at low temperatures. This enables smooth rotation of the gimbal at both low and high temperatures and reduces power consumption.

CN223652168UActive Publication Date: 2025-12-09ZHEJIANG SHUANGSHI INFRARED TECH CO LTD
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Patent Information

Application Number
CN202423285280.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-09
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing gimbals experience rotational stalling or step loss in low-temperature environments due to the contraction of transmission components and the thickening of lubricating oil. Furthermore, existing heating solutions increase costs and power consumption.

Method used

By combining a thermally conductive silicone pad and an MCU control board with a temperature sensor, the temperature of the transmission components is controlled by adjusting the motor current in real time, thereby increasing or decreasing the motor's output torque and reducing transmission friction.

Benefits of technology

In both low and high temperature environments, the gimbal rotates smoothly and normally, avoiding the need for additional heating elements and control circuitry, thus reducing power consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of holders, and discloses a holder motor self-heating device which comprises a transmission part shell, a motor mounting frame fixedly connected to the side edge of the transmission part shell, a motor fixedly connected to the side edge of the motor mounting frame, and a first transmission wheel in transmission connection with an output shaft of the motor. According to the utility model, the motor, the heat conduction silica gel pad, the MCU control panel and the temperature sensor are arranged, so that when the temperature is lower than-20 DEG C in a low-temperature region, the current to the motor is increased, the heating value of the motor is increased, and then heat is conducted to a transmission component shell of the transmission assembly through the heat conduction silica gel pad; when the temperature is higher than 15 DEG C in a high-temperature region, the current to the motor is reduced, the torque of the motor is reduced, the heat productivity of the motor is reduced, and the effect that the pan-tilt smoothly and normally rotates in a low-temperature or high-temperature state is ensured by increasing or reducing the output torque of the motor and reducing the transmission friction force at the same time.
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Description

Technical Field

[0001] This utility model relates to the technical field of gimbals, and more specifically, to a self-heating device for a gimbal motor. Background Technology

[0002] When the ambient temperature of the gimbal is below -20℃, the transmission components shrink due to cold and the lubricating oil thickens, causing the transmission friction to increase sharply, which may lead to the gimbal stalling or losing steps at low temperatures.

[0003] Existing technologies typically involve adding heating belts inside the gimbal housing or around the transmission components. When the temperature drops, electric heating is activated to raise the temperature of the entire transmission system, thereby reducing transmission friction and ensuring smooth rotation. However, this requires additional heating belts and heating control circuitry, increasing costs and making the overall system more complex and multi-functional. Furthermore, the heating belts consume 15-30W of power, and since the gimbal requires both horizontal and vertical axes, an additional 30-60W of heating power is needed, resulting in high overall power consumption. Utility Model Content

[0004] In order to solve the problems mentioned in the background art, the present invention provides a self-heating device for gimbal motors.

[0005] The self-heating device for a gimbal motor provided by this utility model adopts the following technical solution:

[0006] A gimbal motor self-heating device includes a transmission component housing. A motor mounting bracket is fixedly connected to the side of the transmission component housing, and a motor is fixedly connected to the side of the motor mounting bracket. The output shaft of the motor is driven by a first transmission wheel. A synchronous belt is driven by the outer surface of the first transmission wheel. A second transmission wheel is driven by the other side of the synchronous belt. A transmission component is connected to the inner side of the second transmission wheel. The transmission component is connected to a drive shaft, which drives the gimbal's horizontal or vertical housing to rotate. The transmission component is installed inside the transmission component housing. A thermally conductive silicone pad is provided at the bottom of the motor and is located on the surface of the transmission component housing.

[0007] Preferably, an MCU control board is fixedly connected to the outer surface of the housing of the transmission component by screws. The output terminal of the MCU control board is electrically connected to the control terminal of the motor. The output terminal of the MCU control board is electrically connected to a temperature sensor. The temperature sensor is mounted on the MCU control board and faces the transmission component.

[0008] Preferably, the transmission component includes a worm, a worm wheel, and a drive shaft. The interior of the second transmission wheel is rotatably connected to one end of the worm extending to the outside of the transmission component housing. The outer surface of the worm is meshed with the worm wheel. The interior of the worm wheel is fixedly connected to the drive shaft, which is rotatably connected to the transmission component housing. The drive shaft drives the gimbal to rotate horizontally or vertically.

[0009] Preferably, the motor mounting bracket has screws internally threaded on it, and the motor mounting bracket is fixedly connected to the housing of the transmission component by the screws.

[0010] Preferably, the housing of the transmission component is made of aluminum.

[0011] In summary, this utility model has the following beneficial technical effects:

[0012] This invention incorporates a motor, a thermally conductive silicone pad, an MCU control board, and a temperature sensor. When the temperature is in the low-temperature range (<-20℃), the current to the motor is increased, increasing the motor's heat generation. This heat is then conducted to the transmission components and housing via the thermally conductive silicone pad. When the temperature is in the high-temperature range (>15℃), the current to the motor is reduced, decreasing the motor torque and thus reducing the motor's heat generation. By simultaneously increasing or decreasing the motor's output torque and reducing transmission friction, this dual approach ensures smooth and normal rotation of the gimbal under both low and high temperature conditions. Attached Figure Description

[0013] Figure 1 This is a front structural diagram of an embodiment of the present utility model;

[0014] Figure 2 This is a schematic diagram of the thermally conductive silicone pad structure in an embodiment of this utility model;

[0015] Figure 3 This is a schematic diagram of the transmission component structure in an embodiment of this utility model;

[0016] Figure 4 This is a schematic diagram of the right-side structure in an embodiment of this utility model;

[0017] Figure 5 This is a schematic diagram of the principle block structure in an embodiment of this utility model.

[0018] Explanation of reference numerals in the attached drawings: 1. Transmission component housing; 2. Motor mounting bracket; 3. Screw; 4. Motor; 5. First transmission wheel; 6. Synchronous belt; 7. Second transmission wheel; 8. Worm gear; 9. Worm wheel; 10. Drive shaft; 11. MCU control board; 12. Thermal conductive silicone pad. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1-5The present invention will be described in further detail below.

[0020] It should be noted that the accompanying drawings are schematic and not to scale. For clarity and convenience, the relative dimensions and proportions of the parts shown are exaggerated or reduced in size; all dimensions are merely illustrative and not limiting. Furthermore, the same reference numerals are used for the same structures, elements, or fittings appearing in more than two drawings to indicate similar features.

[0021] This utility model discloses a self-heating device for a gimbal motor. (Refer to...) Figure 1-5 A gimbal motor self-heating device includes a transmission component housing 1, which is made of aluminum and has good thermal conductivity. A motor mounting bracket 2 is fixedly connected to the side of the transmission component housing 1. The motor mounting bracket 2 is fixedly connected to the transmission component housing 1 by screws 3. A motor 4 is fixedly connected to the side of the motor mounting bracket 2. The output shaft of the motor 4 is driven by a first transmission wheel 5. A synchronous belt 6 is driven by the outer surface of the first transmission wheel 5. A second transmission wheel 7 is driven by the other side of the synchronous belt 6. A transmission component is connected to the inner side of the second transmission wheel 7.

[0022] Reference Figure 3 The transmission components include a worm 8, a worm wheel 9, and a drive shaft 10. The interior of the second transmission wheel 7 is rotatably connected to one end of the worm 8 that extends to the outside of the transmission component housing 1. The worm 8 is rotatably connected to the transmission component housing 1. The outer surface of the worm 8 is meshed with the worm wheel 9. The interior of the worm wheel 9 is fixedly connected to the drive shaft 10, which is rotatably connected to the transmission component housing 1.

[0023] Specifically, the MCU control board 11 controls the motor 4 to start. The motor 4 starts and drives the synchronous belt 6 to rotate through the first transmission wheel 5. The rotation of the synchronous belt 6 drives the second transmission wheel 7 to rotate. The rotation of the second transmission wheel 7 drives the worm 8 to rotate. The worm 8 drives the worm wheel 9 to rotate. The rotation of the worm wheel 9 drives the drive shaft 10. The drive shaft 10 drives the pan-tilt unit to rotate horizontally or vertically.

[0024] The transmission component is connected to the drive shaft 10. The transmission component is installed inside the transmission component housing 1. The motor 4 is installed on the surface of the transmission component housing 1 near the transmission component. A thermally conductive silicone pad 12 is provided at the bottom of the motor 4. The thermally conductive silicone pad 12 is installed on the surface of the transmission component housing 1 at the location of the transmission component, so that the heat generated by the motor 4 can be conducted to the transmission component as quickly as possible. The outer surface of the transmission component housing 1 is fixedly connected to the MCU control board 11 by screws. The output terminal of the MCU control board 11 is electrically connected to the control terminal of the motor 4.

[0025] The output of the MCU control board 11 is electrically connected to the temperature sensor. The temperature sensor is mounted on the MCU control board 11 and faces the transmission component. It can collect the temperature of the transmission component on the pan-tilt unit in real time. The temperature of the transmission component rises due to the heat conducted by the motor 4, the viscosity of the lubricating grease becomes thinner, the transmission friction is reduced, and thus the transmission component is heated. The temperature data is transmitted to the MCU control board 11, which reads and converts it into temperature data. The MCU control board 11 is equipped with a motor drive module. The motor drive module controls the drive current of the motor drive module in segments according to the high, medium and low temperatures. This ensures that the motor has low current and low heat generation when operating at high temperatures, and high current and high heat generation when operating at low temperatures.

[0026] With the above structural design, when the MCU control board 11 controls the motor 4 to start through the motor drive module, the heat dissipated by the motor 4 is conducted through the thermal conductive silicone pad 12 at the bottom of the motor 4. Then, the heat is heated by the thermal conductive silicone pad 12 and the transmission component housing 1, which makes the viscosity of the lubricating grease on the transmission component thinner and reduces the transmission friction.

[0027] The temperature sensor transmits the temperature at the transmission component to the MCU control board 11. Then the MCU control board 11 reads and calculates the temperature. When the temperature is in the low temperature region <-20℃, the motor drive module current is set to a large current, so that the output torque of the motor 4 will also be the maximum. At the same time, the heat generated by the motor 4 will also be the maximum. The heat generated by the motor 4 is conducted to the transmission component through the thermal conductive silicone pad 12 and the outer shell 1 of the transmission component, so that the temperature of the transmission component rises and the transmission friction is reduced.

[0028] When the temperature is in the high-temperature zone >15℃, the motor drive module is set to low current, and the output torque of the motor will also decrease, reducing the heat generation of motor 4. At this time, the transmission components are at normal temperature, the viscosity of the lubricating grease becomes thinner, and the transmission friction is also small. Without the need for additional heating, the gimbal can rotate smoothly and normally with a relatively small motor output torque.

[0029] This ensures smooth and normal rotation of the gimbal under low or high temperature conditions by simultaneously increasing or decreasing the motor's output torque and reducing transmission friction.

[0030] Finally, the following points should be noted: First, in the description of this utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted broadly, and can be mechanical connection or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0031] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gimbal motor self-heating device, comprising a transmission component housing (1), characterized in that: A motor mounting bracket (2) is fixedly connected to the side of the transmission component housing (1), and a motor (4) is fixedly connected to the side of the motor mounting bracket (2). The output shaft of the motor (4) is driven by a first transmission wheel (5). A synchronous belt (6) is driven by the outer surface of the first transmission wheel (5). A second transmission wheel (7) is driven by the other side of the synchronous belt (6). A transmission component is connected to the inner side of the second transmission wheel (7). The transmission component is connected to a drive shaft (10). The transmission component is installed inside the transmission component housing (1). A thermally conductive silicone pad (12) is provided at the bottom of the motor (4). The thermally conductive silicone pad (12) is located on the surface of the transmission component housing (1) at the position of the transmission component.

2. The gimbal motor self-heating device according to claim 1, characterized in that: The outer surface of the housing (1) of the transmission component is fixedly connected to an MCU control board (11) by screws. The output end of the MCU control board (11) is electrically connected to the control end of the motor (4). The output end of the MCU control board (11) is electrically connected to a temperature sensor. The temperature sensor is mounted on the MCU control board (11) and faces the transmission component.

3. The gimbal motor self-heating device according to claim 2, characterized in that: The transmission component includes a worm (8), a worm wheel (9), and a drive shaft (10). The interior of the second transmission wheel (7) is rotatably connected to one end of the worm (8) extending to the outside of the transmission component housing (1). The outer surface of the worm (8) is meshed with the worm wheel (9). The interior of the worm wheel (9) is fixedly connected to the drive shaft (10), which is rotatably connected to the transmission component housing (1). The drive shaft (10) drives the gimbal to rotate horizontally or vertically.

4. The gimbal motor self-heating device according to claim 3, characterized in that: The motor mounting bracket (2) has screws (3) internally threaded, and the motor mounting bracket (2) is fixedly connected to the transmission component housing (1) by screws (3).

5. The gimbal motor self-heating device according to claim 4, characterized in that: The housing (1) of the transmission component is made of aluminum.